{"nhtsa_id":10236946,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2023-05-30","date":"2023-04-21","document_id":"1805223","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; POWER TRAIN","mfr_system":null,"summary":"Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ? P016F - Closed Loop Fuel Pressure Control At Limit - Pressure Too Low. ? P025C - Fuel Pump Module Control Circuit Low. ? P0300-00 - Multiple Cylinder Misfire. ? P0301-00 - Cylinder 1 Misfire. ? P0302-00 - Cylinder 2 Misfire. ? P0303-00 - Cylinder 3 Misfire. ? P0304-00 - Cylinder 4 Misfire. ? P0305-00 - Cylinder 5 Misfire. ? P0403-00 - EGR Control Circuit Open (Disabled Fault). ? P208B - Reductant Pump 1 Control Performance. Other Software enhancements: ? Low speed engine idle improvements. ? Improved engine restart performance and torque response during low fuel level and/or hot ambient conditions. This bulletin involves reprogramming the PCM with the latest available software.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10236946-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2023/MC-10236946-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10236946","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"powertrain","name":"Transmission and driveline","parent":null}],"codes":["P016F","P025C","P0300","P0301","P0302","P0303","P0304","P0305","P0403","P208B"],"topics":[],"vehicles":[{"make":"JEEP","model":"WRANGLER","year_from":2023,"year_to":2023,"match":"exact","vehicle_ids":["2023_jeep_wrangler"]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}